105102 has 12 divisors (see below), whose sum is σ = 227760. Its totient is φ = 35028.

The previous prime is 105097. The next prime is 105107. The reversal of 105102 is 201501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105097) and next prime (105107).

It is a super-2 number, since 2×105102² = 22092860808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2902 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (18980).

2¹⁰⁵¹⁰² is an apocalyptic number.

105102 is an abundant number, since it is smaller than the sum of its proper divisors (122658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105102 is a wasteful number, since it uses less digits than its factorization.

105102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847 (or 5844 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 105102 is about 324.1943861328. The cubic root of 105102 is about 47.1922112016.

Adding to 105102 its reverse (201501), we get a palindrome (306603).

The spelling of 105102 in words is "one hundred five thousand, one hundred two".